Cited by 174Proteins in Food SystemsPickering emulsions and particle stabilizationPolysaccharides Composition and Applications

The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.

Role of Protein and Ferulic Acid in the Emulsification Properties of Sugar Beet Pectin

Siew, Chee Kiong, Williams, Peter A.·2008·Journal of Agricultural and Food Chemistry

Abstract

The ability of sugar beet pectin to stabilize 20% w/w limonene oil-in-water emulsions has been investigated. The size of the oil droplets as determined by laser diffraction measurements decreased from about 15 mum to about 6 mum when the pectin concentration increased from 0.05% to 2% w/w but leveled off thereafter, suggesting complete coverage of the oil droplets by the polymer at this optimum concentration. Isotherms for the adsorption of pectin, protein, and ferulic acid were constructed. The adsorption capacities at the oil-water interface of approximately 1.4 and approximately 0.2 mg/m (2) for protein and ferulic acid, respectively, compared to approximately 9.5 mg/m (2) for pectin revealed that the adsorbed fractions of the pectin sample were rich in protein (14.7%) and ferulic acid (2.1%) given that there were only 2.7% protein and 1.06% ferulic acid present in the whole pectin sample. Direct measurements on the adsorbed fraction recovered from the oil droplets via desorption with SDS confirmed that it contained 11.1% protein and 2.16% ferulic acid. The results suggest that one or both of these two functional groups adsorb onto the surface of the oil droplets and stabilize the emulsions. High molecular mass fractions adsorbed preferentially onto oil droplets during emulsification. As compared to those made with gum arabic, the emulsion samples made with sugar beet pectin samples exhibited similar (or even slightly higher) stability.

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Crossref · 10.1021/jf073358o

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Research works printed but not linked: 2

  1. Aspinall G. O., 1980, The Biochemistry of Plants, 3, 473
  2. Kirby A. R., 2006, FOBI, 1, 51

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Metadata

Authors
Siew, C. K., & Williams, P. A.
Affiliations
Wrexham University (GB)
Corresponding author
Siew, Chee Kiong
Venue
Journal of Agricultural and Food Chemistry
Published
2008-05-14
Volume
56
Issue
11
Pages
4164-4171
ISSN
  • 0021-8561 (ISSN-L)
  • 1520-5118
OpenAlex
W2043079112
Cited by
171
References
34
Citations by year
2026: 3 · 2025: 5 · 2024: 11 · 2023: 8 · 2022: 14 · 2021: 19 · 2020: 15 · 2019: 13 · 2018: 10 · 2017: 9 · 2016: 15 · 2015: 11 · 2014: 9 · 2013: 6 · 2012: 9
FWCI
7.48
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Agricultural and Food Chemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
Biotechnology and Biological Sciences Research Council
Topics
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Proteins in Food Systems
  • Physical Sciences › Materials Science › Materials Chemistry › Pickering emulsions and particle stabilization
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Polysaccharides Composition and Applications
Keywords
sugar beet pectin, protein adsorption, ferulic acid, emulsification, oil-in-water emulsions, limonene, emulsion stability, adsorption isotherms, oil droplet size, gum arabic, emulsifiers
MeSH terms
Adsorption, Coumaric Acids, Drug Stability, Pectins, Plant Proteins, Polymers, Surface Tension, Beta vulgaris, Emulsifying Agents

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